This article covers the new C# 8.0 language feature-set and their C# 7.0 implementation equivalent. Some of the features (links in the article) can be tested already with the Visual Studio 2019 preview. Interface Default Implementation Finally! I think there is no explanation required for this feature. Output Hello from the DiagnosticLogger implementation Hello from the …
Schlagwort: C#
Browser + Razor = Blazor!
Haven’t heard of WebAssemblies yet? Check some other articles to shortly educate yourself about WebAssemblies before continue reading. Ok, but what about C#? As far as my research did take place, there is currently Mono and Microsoft working on a project (Experimental). Since the Mono Project on GitHub lacks too much guidance and I haven’t the power …
AABB Collision Detection with Intersection Points (Incl. Rotation)
public struct Line { public Vector2 a; public Vector2 b; public Line(float x1, float y1, float x2, float y2) { a = new Vector2(x1, y1); b = new Vector2(x2, y2); } public void Rotate(float rad, Vector2 center) { Rotate(rad, ref a, center); Rotate(rad, ref b, center); } private void Rotate(float rad, ref Vector2 point, Vector2 …
WPF Scrollable + Zoomable + Dragable Control
Unluckily there is no standard control to zoom, drag and scroll your content. My implementation is based on following tutorial. With this implementation you are able to zoom, drag and scroll arbitrary controls. Showcase ScrollDragZoomControl.xaml <UserControl x:Class=”MinimalMonitoringClient.Controls.ScrollDragZoomControl” xmlns=”http://schemas.microsoft.com/winfx/2006/xaml/presentation” xmlns:x=”http://schemas.microsoft.com/winfx/2006/xaml” Background=”Transparent”> <UserControl.Template> <ControlTemplate TargetType=”UserControl”> <ScrollViewer x:Name=”scrollViewer” Loaded=”scrollViewer_Loaded” HorizontalScrollBarVisibility=”Visible” VerticalScrollBarVisibility=”Visible”> <Grid Name=”grid” RenderTransformOrigin=”0.5,0.5″> <Grid.LayoutTransform> <TransformGroup> <ScaleTransform x:Name=”scaleTransform” /> …
Windows Phone 8.1/10/UWP Sidemenu without Splitview
How hard can it be to create a simple sidemenu which is supported on WinRT, Silverlight and UWP apps? Following article is based on a custom self implemented side menu, which is just a prove of concept with lirerly no optimizations and beautiful coding. The following screen recordings access the same code base, just with different XAMLs for the …
Windows Phone 8.1 WinRT Json Serialize + DeSerialize
private static string JSON_MARK_FILE_NAME = “markJsonData.json”; Serialize object to a storage file StorageFolder localFolder = ApplicationData.Current.LocalFolder; StorageFile textFile = await localFolder.CreateFileAsync(JSON_MARK_FILE_NAME, CreationCollisionOption.ReplaceExisting); using (Stream stream = await textFile.OpenStreamForWriteAsync()) { string content = await Newtonsoft.Json.JsonConvert.SerializeObjectAsync(grades); using (StreamWriter streamWriter = new StreamWriter(stream)) await streamWriter.WriteAsync(content); } DeSerialize a storage file to a object StorageFolder localFolder = ApplicationData.Current.LocalFolder; StorageFile …
MonoGame – Mouse/Keyboard/Gamepad/Touch-Input Helper
Input kann über verschiedene Eingabegeräte geliefert werden. Für MonoGame (oder XNA) existieren bereits Mouse/Keyboard/Gamepad und Touch-Input. Da das kontinuierliche Abfragen sehr mühsam und zeitaufwendig sein kann, habe ich ein Component erstellt, welches die meisten Aufgaben bereits übernehmen sollte.
Rabin-Karp
internal override SearchResult Search(string text, string pattern) { if (pattern.Length > text.Length) return SearchResult.Empty(); SearchResult searchResult = new SearchResult() { Matches = new List<Match>() }; int patternHashValue = pattern.GetHashCode(); for(int index = 0; index + pattern.Length < text.Length; index++) { string indexString = text.Substring(index, pattern.Length); int indexHashValue = indexString.GetHashCode(); if(patternHashValue == indexHashValue) if (string.CompareOrdinal(pattern, indexString) …
Heapsort
internal class Heap : StorageObjectSort { private object[] items; public int Size { get; set; } = 0; public override IEnumerable<T> Sort<T>(IComparer<T> sortFunction, IEnumerable<T> collection) { List<T> objectList = collection.ToList(); Initialize(objectList.Count); objectList.ForEach(o => Insert(o, sortFunction)); objectList.Clear(); while (Size > 0) objectList.Add((T)Remove(sortFunction)); return objectList; } protected override void Insert<T>(object item, IComparer<T> sortFunction) { items[Size] = item; …